1. for differentiating cause as well as describing extent of the impairment)
  1. muscle performance (sometimes incorrectly called ''strength")
    1. force (ability to generate peak acceleration of a mass, or peak torque)
    2. power (ability to develop power in a contraction, usually torque velocity)
    3. endurance (ability to sustain or repeat a contraction)
  2. postural alignment (includes spinal deviations such as scoliosis)
  1. Sensory/perceptual
    1. pain
    2. superficial sensation (touch, temperature, etc.)
    3. deep sensation (includes vestibular, position sense and stereognosis)
    4. body schema (body image or percept)
  2. Neuromuscular
    1. muscle innervation (includes root, spinal and peripheral nerve)
    2. central nervous system
      1. spasm (associated with pain or tension)
      2. spasticity
      3. rigidity
      4. tremor
      5. clonus
    3. coordination
      1. ataxia
      2. athetosis
      3. standing stability and postural reactions
      4. associated movements (i.e., inability to individuate muscle action)
  3. Developmental
    1. perceptual-motor
    2. musculoskeletal
    3. cognitive
    4. social
  4. Psychological
    1. cognitive (includes memory, thinking, consciousness, attention)
    2. affective (includes motivation, anxiety and other factors which influence readiness to respond to and participate in treatment and to cope with illness and its consequences)
  5. Cardiovascular
    1. cardiac function
    2. peripheral vascular function (includes autonomic)
    3. lymphatic (includes edema)

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